CN109045740A - A kind of separation of oil smoke and flue gases purification - Google Patents
A kind of separation of oil smoke and flue gases purification Download PDFInfo
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- CN109045740A CN109045740A CN201811053604.7A CN201811053604A CN109045740A CN 109045740 A CN109045740 A CN 109045740A CN 201811053604 A CN201811053604 A CN 201811053604A CN 109045740 A CN109045740 A CN 109045740A
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- oil smoke
- separation
- purification
- oil
- flue gas
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/002—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by condensation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2035—Arrangement or mounting of filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/90—Odorous compounds not provided for in groups B01D2257/00 - B01D2257/708
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0275—Other waste gases from food processing plants or kitchens
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Treating Waste Gases (AREA)
- Baking, Grill, Roasting (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
A kind of separation of level Four cooking fume and flue gases purification when belonging to 100 to 300 degrees Celsius of high temperature, make different foods, air pollution treatment technical field caused by the processing of Various Edible.It is characterized in that with the level Four purification techniques processing under normal temperature state, in a hierarchal manner, by oil particles, particulate solid, the technology of vapor and gaseous pollutant progress combined processing；Here using honeycomb type porous material as carrier, it is main component, purified treatment HCAs, PAHs etc. that load, which has one or more grade-safe activating agents,.The level Four cooking fume separation and flue gases purification need to be classified processing layered shaping oil smoke according to four-stage device.The room temperature level Four purification techniques has the features such as layering is clear, and fast reaction, efficient absorption is adsorbed or decomposed, and the duty cycle is long.Cooking fume can be met, as cooking stove routinely cooks mode, micro-wave oven, steam box, the cook utensils such as oven long-time, requirement of efficient degreasing cigarette flue gas under true environment.
Description
Technical field
The present invention is a kind of oil smoke separation generated under a kind of room temperature and high temperature and flue gases purification, belongs to cooking fume
Purification techniques field.
Background technique
As people's living standard increasingly improves, catering trade is grown rapidly.People are given throughout streets and lanes in restaurant
While life offers convenience, certain environmental pollution is also resulted in.The exhaust emission of oily smoke and smell becomes increasingly conspicuous, and thus produces
Raw civil disputation also gradually increases.For this purpose, country has put into effect a series of pollution of laws and regulations control catering trades to environment, this
Also promote the development of oil smoke of catering industry draining technology.However, oil smoke complicated component, standard only limits oil smoke discharge at present,
And there is no clear stipulaties to emission ingredient.
The fast development of modern industry and urban civilization has expedited the emergence of social progress and material wealth, the following air
Also just growing day by day, air pollution constantly threatens the living environment and physical and mental health of the mankind for pollution.According to newest publication
" report of 2018 global environment Performance Index " point out, the Chinese air quality ranking whole world be the 177th, air pollution at
To restrict one of China's economic development, the principal element for endangering people's health, it is very urgent to solve air pollution.
Oil smoke be edible oil at high temperature, imperfect combustion, thermal oxide decompose and the effects of cracking under generate it is a large amount of
Volatile materials, referred to as cooking fume.It include olesome object, solid in culinary art outlet cooking oil flue gas from composition
Grain object and gaseous pollutant.Particle size is generally less than 10 microns, and olesome object viscosity is larger, gaseous pollutant Poisoning
Maximum is the carcinogens such as BaP, while also containing caused by various alcohol, aldehyde, ketones derivant and incomplete combustion one
Carbonoxide etc..Untreated heavy oil cigarette is directly discharged to atmosphere and seriously affects emission source surrounding air environment, reduces people nearby
Group's quality of the life, is recycled into natural waterway through water, can also improve content of organics in water body, to seriously threaten people's
Daily life.
The flue gas generated in cooking process is only detached local ring due to lacking effective purification means by existing smoke exhaust ventilator
Border, gaseous pollutant in oil smoke is unprocessed to be directly discharged into atmosphere, causes inevitable environmental pollution.Without any processing
Oil smoke be exhausted directly in atmosphere, cause the pernicious gases such as the various short chain aldehyde, ketone, acid, the alcohol that contain in cooking fume and fuel to fire
Sulfur dioxide caused by burning, nitrogen oxides and carbon monoxide, carbon dioxide etc. are diffused into air, often reach very high dense
Degree.After oil smoke ingredient is analyzed, and can be seen that oil smoke from the forming process of oil smoke is that a kind of gas, liquid, solid three mix
Aerosol, ingredient is sufficiently complex, also, changes with the difference of culinary art condition and food materials type.Have among these aldehyde,
Ketone, hydrocarbon, ester, acid, alcohol and aromatic series and heterocyclic compound are the poisonous and harmful compound of main representative.Among these again with alkane and
Alkene is that most important intoxicating causes evil substance, followed by organic acid, aldehyde compound and polycyclic aromatic hydrocarbon.Phenols chemical combination among these
Object, as phenol and methylphenol are all important and promote cancer object.The a variety of polycyclic aromatic hydrocarbons detected are generally acknowledged important strong carcinogens,
Its harm includes damage reproductive system, leads to cutaneum carcinoma, lung cancer, tumor in upper digestive tract, artery sclerosis, sterility, polycyclic virtue
Hydrocarbon can not be underestimated as influence of the environmental contaminants in food, and food often generates in the process such as smoking and toasting
A large amount of polycyclic aromatic hydrocarbon has harmfulness to the health of human body very much.
Therefore the separation of research and development oil smoke is very urgent with flue gases purification.
Summary of the invention
The present invention is the invention under a kind of room temperature or the condition of high temperature, to oil smoke separation and flue gases purification.Belong to culinary art
Technology for cooking fume control field.The set composite mainly based on level Four isolation of purified technology, is segmented in batches, to oil smoke
In, the oil particles mainly contained, particulate solid, vapor and gaseous pollutant are main purification target.
The separation of this oil smoke is with flue gases purification scheme: the first step, 1., oil smoke gaseous mixture are entered by modes such as exhausting
In oil smoke separation and flue gas purification device.
Second step, 2., oil smoke gaseous mixture is by removing oil reservoir, by oil absorbent material, the dress such as high-density fiber net or centrifugal collector
It sets, first stage processing is carried out to oil particles, it is therefore intended that the oiliness particle that the height contained in separation oil smoke is rich in makes it
Aeroge is formed after isolation and is recycled in oil particles recyclable device, after initial gross separation filtering, the oiliness in oil smoke
Grain is rejected first, prevents oiliness particle from directly contacting honeycomb type porous material, covers and reduce specific surface area, is reduced to gaseous state
The effect of the adsorption cleaning of pollutant.
Third step, 3., the gas after oil removing is by removing solid granulates nitride layer, with the side such as high density strainer or electrostatic treatment
Formula handles the flue dust dust such as particulate solid；As to enter the gas that is formed in exhaust duct jointly molten for oil smoke
Particulate solid based on glue PM10, PM2.5 is second layer filtration treatment object, mainly takes the mode of physical separation, will be consolidated
State particulate matter is separated, and makes oil smoke after the second layer filters, and substantially belongs to oil-free agranular state.
4th step, 4., remaining flue gas pass through except when the processing unit of vapor, condenser pipe persistently plays work in vapor permeating layers
With being cooled down to the moisture in flue gas, moisture made to be detached from flue gas on physical layer, avoid the flue gas containing a large number of water molecules
Honeycomb type porous material is directly contacted, porous material excessive contact moisture is avoided, causes excessively to absorb water, make it to gaseous pollutant
Adsorption cleaning act on reduce；Or become third level filter device, when so that moisture content flue gas passing through, water using desiccant filling
Divide and absorbed rapidly by desiccant, and needs to guarantee that this desiccant can be recycled, after the sun is exposed to the sun or is dried,
It can reinstall to use, in addition it is also necessary to ensure that desiccant itself, and by the flue gas of desiccant, do not have to human body
Damaging effect；The moisture of recycling will be directed into the water recovery device of connection, and install cold cooling unit in a device,
It prevents moisture from boiling again, into filtration system, the isolated channel that absorbs water is occupied in cyclic process, guarantee water-taking efficiency with most
Bigization carries out.
5th step, 5., remaining flue gas are carrier by removing gaseous state layer of contaminants, honeycomb type porous material, load food-grade
Safe activating agent carries out physical adsorption and chemical adsorption to specific one or more flue gases, decomposes, the mode combined carries out
Purified treatment.For oil at a high temperature of 100 to 300 degrees Celsius, the polycyclic aromatic hydrocarbon (PAHs) of generation, heterocyclic amine (HCAs),
Organic gas pollutant, formaldehyde, SO2, NOxDeng constituting the base form of oil smoke；In addition to this, different cooking pots is being used
Tool, such as pan-fried fry of first high temperature of cooking stove apparatus boil the baked stewing stewed mode of Zha Zheng, the reheating of micro-wave oven, the moment of steam box oven
And lasting high temperature action etc., difference chemical substance structure caused by the very high temperature oil smoke of generation change, the lactone that meat generates
The sulfur-containing compound that class, lipid, fatty acid, carbonyls and sulfur-bearing, nitrogenous compound and vegetables generate, terpenes chemical combination
Object, unsaturated alcohol, aldehyde, the substances such as hydrocarbon together constitute the base substance of the gaseous pollutant of oil smoke.Pass through the porous material of honeycomb type
Material, expands specific surface area to greatest extent, sufficiently contacts with gaseous pollutant, and it is absorbable to increase to increase the amount of contact
Amount.Load grade-safe activating agent, such as flavones, peroxidase, the substances such as soybean protein, for one or more gaseous contaminations
Object substance is adsorbed or is decomposed, to thoroughly do away with poisonous and harmful gaseous pollutant, is made by the nontoxic, colourless of the circulatory system
Tasteless gas enters in atmosphere.Reach in any culinary art occasion, is able under true environment for a long time, efficiently go
Fume eliminating smoke pollution fundamentally separates oil smoke and is purified.
6th step, 6., clean gas is discharged into air.
This kind of room temperature and high-temperature oil smoke separation are as follows with flue gases purification advantage: firstly, selecting honeycomb type porous material
Grade-safe activating agent is loaded, specific surface area is bigger, more comprehensively and suction type efficient stable to the processing of gas cleaning, no
Dangerous secondary pollution or its by-product can be generated with high fever, it is higher to the purification efficiency of gaseous pollutant, it is suitble to use
In any cooking environments；Secondly, being handled by four-stage grading, physics successively gradually is carried out to oil smoke and is combined with chemistry
Mode filter, it is ensured that pollution level of the oil smoke to environment is minimized；The poisonous and harmful gas of harm is generated to human body
State pollutant, with the discharge of oil smoke, after level Four gradually layer-by-layer filtering absorption, honeycomb type porous material loading food-grade
Safe activating agent directly can carry out the suction that physics is combined with chemistry to gaseous pollutant molecule poisonous and harmful in oil smoke
Attached or decomposition, so that the harm of gaseous pollutant much be declined；Later, four-stage grading processing unit individually can be dismantled and be cleaned
Convenient, being recycled can guarantee in long-term, and device is able to maintain high efficiency operating, strong to the body and mind of prolonged kitchen work person
Health has positive help.Level Four demixing technology can adapt to the efficiency operation in high temperature with simply；In addition, point
Step completes processing to oil smoke, being capable of oil smoke in circulating filtration air by the drive air circulation of original exhaust fan
Flue gas reduces it indoors and the concentration of cooking zone, the gas safety being discharged as a result, nontoxic, colorless and odorless passes through
Gas after layered filtration does not have harmfulness.
The long-acting work of equipment, the oil smoke generated when immediately and efficient processing is cooked.There is no rigors to environment,
It can work in any culinary art land used.
Detailed description of the invention
Attached drawing 1 is the structural schematic diagram of this oil smoke separation and flue gases purification.
Attached drawing step 1, oil smoke gaseous mixture enter purification device.
Attached drawing step 2, oil smoke gaseous mixture remove the oil particles in fume eliminating gaseous mixture by removing oil reservoir.
Attached drawing step 3, residual gas removes particulate solid by removing solid granulates nitride layer after oil removing.
Residual gas collects processing vapor by removing vapor permeating layers after attached drawing step 4, oil removing and particulate solid.
Attached drawing step 5, remaining flue gas eliminate toxic gaseous pollutant by removing gaseous state layer of contaminants, nuisance, and
Peculiar smell.
Attached drawing step 6, clean gas are discharged into air.
Specific embodiment
The present invention is further illustrated with case study on implementation with reference to the accompanying drawing.
A kind of embodiment of the invention including the following steps: the first step, 1., oil smoke gaseous mixture pass through the side such as exhausting
Formula enters in purification device.
Second step, 2., by high hydrophobicity oil network, high-density fiber net, oil absorbent material or centrifugal collector etc. are to there is oil smoke
Middle oil particles are separated, the combinations of materials such as staggered oil network of carbon felt cloth as shown in drawings, intercept oil droplet and solid
Grain object, waste oil and solid particle enter collecting vessel by collector, cook most of oil droplet in exhaust gas and receive to recyclable device.
3. third step by the processing mode of high density strainer or electrostatic equipment, further filters remaining in flue gas consolidate
State particulate matter handles particulate solid, aerosol, PM10 and PM2.5.Cook oil particles most in exhaust gas
And particulate solid removes in the filter process of step b and c.
4. 4th step is contacted by condenser pipe and is removed water, or addition desiccant carries out water centralized collection to moisture.Condensed water
Into water recovery device, centralized collection avoids moisture from directly contacting honeycomb type porous material, occupies specific surface area, influences to adsorb
Effect.
5th step, 5., the composite porous load grade-safe activating agent of honeycomb type is to flue gas adsorption cleaning, for inhaling
The hazardous contaminant in remaining flue gas is received, including the volatile small molecule of low boiling point, the peculiar smell such as remnant food.Pass through bee
The filter core of the composite porous supported active agent of socket type removes the volatile molecules in flue gas, harmful substance and various smells.
6th step, 6., discharge clean gas get into the air.
Described embodiment is a part of the invention, present invention can apply to micro-wave oven, oven, steam box, baking oven,
Smoke exhaust ventilator etc. carries out technical support with gas cleaning to oil smoke separation, based on the embodiments of the present invention, when handling culinary art
The technical staff in caused fume treatment field every other embodiment obtained under the premise of no creative work, all belongs to
In the scope of protection of the invention.
Claims (6)
1. the technology of the oil smoke separation and gas cleaning of a kind of four stage layereds, it is characterised in that: with four layers of purification techniques to oil smoke
Separation and the purification of flue gas are main target.
2. oil smoke separation as described in claim 1 and purification techniques, it is characterised in that mixed stage by stage to oil smoke
It closes flue gas and carries out filtration, purification in batches, first layer is that oil particles are collected and handled.
3. oil smoke separation as described in claim 1 and purification techniques remove fume eliminating after the separation and collection of oil particles
After most of oil particles in flue gas, the flue gas for completing initial gross separation purification need to be filled the collection of particulate solid by the second layer
It sets.
4. oil smoke separation as described in claim 1 and purification techniques, net to oil particles by first layer in oil smoke
Change processing after the second layer is to the separating treatment of particulate solid, completes two layers of treated flue gas, need to be steamed by third layer to water
The absorption and separation of gas is handled.
5. oil smoke separation as described in claim 1 and purification techniques, are filled in oil smoke by three first layers absorption and separation
It postpones, oil particles wholly or largely, particulate solid and moisture is eliminated in the main component of flue gas, it is remaining main
Construct is high concentration gaseous pollutant, the poisonous and harmful gaseous pollutant such as HCAs, PAHs, by the 4th layer to gaseous pollutant
Processing.
6. oil smoke separation as described in claim 1 and flue gases purification, it is characterised in that all kinds of cook utensils can be met, often
The conventional dish cooking of kitchen range is advised, micro-wave oven reheats, the high temperature and pressure and the high extreme condition gas being rich in of steam box and oven
Body, carries out segmentation in batches to hazardous contaminant for a long time and efficiently under true environment, and the carry out of hierarchical classification is net
The requirement of change.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811053604.7A CN109045740A (en) | 2018-09-11 | 2018-09-11 | A kind of separation of oil smoke and flue gases purification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811053604.7A CN109045740A (en) | 2018-09-11 | 2018-09-11 | A kind of separation of oil smoke and flue gases purification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109045740A true CN109045740A (en) | 2018-12-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811053604.7A Withdrawn CN109045740A (en) | 2018-09-11 | 2018-09-11 | A kind of separation of oil smoke and flue gases purification |
Country Status (1)
| Country | Link |
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| CN (1) | CN109045740A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109405018A (en) * | 2018-11-30 | 2019-03-01 | 江苏瑞丰科技实业有限公司 | A kind of separation of oil smoke and flue gases purification |
| CN112675618A (en) * | 2019-10-17 | 2021-04-20 | 汤秉辉 | Oil-gas separation device and cyclone separator |
-
2018
- 2018-09-11 CN CN201811053604.7A patent/CN109045740A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109405018A (en) * | 2018-11-30 | 2019-03-01 | 江苏瑞丰科技实业有限公司 | A kind of separation of oil smoke and flue gases purification |
| CN112675618A (en) * | 2019-10-17 | 2021-04-20 | 汤秉辉 | Oil-gas separation device and cyclone separator |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181221 |
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| WW01 | Invention patent application withdrawn after publication |